1. Put the seeds in clean water, the full seed particles sink, while the sorghum seeds, diseased seeds and sclerotia float on the water. Simply picking up the floating seeds will achieve the purpose of selection. 2. Hot water bath Generally, rice seeds are immersed in hot water at 50 ° C ~ 54 ° C for 10 minutes; cotton seeds with thick skin should be immersed in hot water at 50 ° C ~ 60 ° C for 30 minutes. 3, the salt water bath into the salt water, using the characteristics of salt water to force the inferior species to surface. 4. The medicated water bath adds trisodium phosphate, sodium hydroxide, potassium permanganate and other drugs to the water, which can not only play a selection role, but also kill the bacteria. 5, the hormone bath with the help of Zhuangsu, paclobutrazol, chlormequat and other solutions soaking seeds, can make the seedlings robust, complete emergence. In addition, seed coating with a coating agent can not only improve the disease resistance of the seed, but also promote seed fertility. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Small O2 N2 Generator,Nitrogen Generation System,Nitrogen Machine,O2 Generator Hangzhou Zhongju air separation equipment manufacturing Co., Ltd , https://www.hzzjkfzz.com